A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Process for mining alluvial deposits
Disclosed herein is a method for supporting a rock layer overlying an excavated region, the method including: forming one or more support structures between a base of the excavated region and a ceiling of the rock layer for supporting the rock layer above the 5 excavated region.
Process for mining alluvial deposits
Disclosed herein is a method for supporting a rock layer overlying an excavated region, the method including: forming one or more support structures between a base of the excavated region and a ceiling of the rock layer for supporting the rock layer above the 5 excavated region.
Process for mining alluvial deposits
CAMPBELL JOHN GORDON MACKAY (author)
2019-06-06
Patent
Electronic Resource
English
IPC:
G01V
Geophysik
,
GEOPHYSICS
/
B63C
LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS
,
Zuwasserlassen, Trockenstellen, Docken oder Bergen von Schiffen
/
E02F
Baggern
,
DREDGING
/
E21D
SHAFTS
,
Schächte
/
E21F
Sicherheitsvorrichtungen, Förderung, Auffüllen oder Bergversatz, Rettungswesen, Bewetterung oder Entwässerung in oder von Gruben oder Tunnels
,
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS
/
G01N
Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften
,
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES